Home / 25,658.37-35,392.59-15,577.02

Finding the Fourth Proportional to 25,658.37, 35,392.59 and 15,577.02

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Solution

The fourth proportional to 25,658.37, 35,392.59 and 15,577.02 is: 21,486.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,658.37 : 35,392.59 = 15,577.02 : x
  2. Step 2: Convert to fraction form
    25,658.37/35,392.59 = 15,577.02/x
  3. Step 3: Cross multiply
    25,658.37x = 35,392.59 × 15,577.02
  4. Step 4: Simplify right side
    25,658.37x = 551,311,082.28
  5. Step 5: Solve for x
    x = 551,311,082.28/25,658.37
  6. Step 6: Final answer
    x = 21,486.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.